Home / 22,719.78-34,036.74-12,866.13

Finding the Fourth Proportional to 22,719.78, 34,036.74 and 12,866.13

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Solution

The fourth proportional to 22,719.78, 34,036.74 and 12,866.13 is: 19,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,719.78 : 34,036.74 = 12,866.13 : x
  2. Step 2: Convert to fraction form
    22,719.78/34,036.74 = 12,866.13/x
  3. Step 3: Cross multiply
    22,719.78x = 34,036.74 × 12,866.13
  4. Step 4: Simplify right side
    22,719.78x = 437,921,121.62
  5. Step 5: Solve for x
    x = 437,921,121.62/22,719.78
  6. Step 6: Final answer
    x = 19,274.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.